Sorry... i meant to say I typically reject prefixes on my ebgp routers if the prefix has an as path length > 40
Thanks Tom Smyth On Thu 21 Jun 2018, 17:39 Tom Smyth, <tom.sm...@wirelessconnect.eu> wrote: > Hello Job, > > Im happy with that, (not that i have a say either way ;) ) > > I was wondering would it be worth while to add rule to limit on the > aspath length that would be accepted in the examples/ > bgpd.conf file also > > I typically reject prefixes on my ebgp routers if the prefix has an as > path length > > > I was just wondering if you / the community think there is any value to > that being added to examples ... > > Or am i being overly restrictive ? > > > On Thu 21 Jun 2018, 16:52 Job Snijders, <j...@openbsd.org> wrote: > >> Hi, >> >> Globally anycasted 6to4 has outlived its usefulness. >> Operational discussion: http://seclists.org/nanog/2018/Jun/268 >> >> Kind regards, >> >> Job >> >> diff --git etc/examples/bgpd.conf etc/examples/bgpd.conf >> index a5fa7234a3c..77f610b9a06 100644 >> --- etc/examples/bgpd.conf >> +++ etc/examples/bgpd.conf >> @@ -118,6 +118,7 @@ deny from any prefix 127.0.0.0/8 prefixlen >= 8 >> # localhost [RFC1122] >> deny from any prefix 169.254.0.0/16 prefixlen >= 16 # link local >> [RFC3927] >> deny from any prefix 172.16.0.0/12 prefixlen >= 12 # private space >> [RFC1918] >> deny from any prefix 192.0.2.0/24 prefixlen >= 24 # TEST-NET-1 >> [RFC5737] >> +deny from any prefix 192.88.99.0/24 prefixlen >= 24 # 6to4 anycast >> [RFC7526] >> deny from any prefix 192.168.0.0/16 prefixlen >= 16 # private space >> [RFC1918] >> deny from any prefix 198.18.0.0/15 prefixlen >= 15 # benchmarking >> [RFC2544] >> deny from any prefix 198.51.100.0/24 prefixlen >= 24 # TEST-NET-2 >> [RFC5737] >> @@ -131,6 +132,7 @@ deny from any prefix 0100::/64 prefixlen >= 64 >> # Discard-Only [RFC6666] >> deny from any prefix 2001:2::/48 prefixlen >= 48 # BMWG [RFC5180] >> deny from any prefix 2001:10::/28 prefixlen >= 28 # ORCHID [RFC4843] >> deny from any prefix 2001:db8::/32 prefixlen >= 32 # docu range >> [RFC3849] >> +deny from any prefix 2002::/16 prefixlen >= 16 # 6to4 anycast >> [RFC7526] >> deny from any prefix 3ffe::/16 prefixlen >= 16 # old 6bone >> deny from any prefix fc00::/7 prefixlen >= 7 # unique local >> unicast >> deny from any prefix fe80::/10 prefixlen >= 10 # link local >> unicast >> >>